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Finding the Fourth Proportional to 64,359.60, 96,539.40 and 38,050.80

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Solution

The fourth proportional to 64,359.60, 96,539.40 and 38,050.80 is: 57,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,359.60 : 96,539.40 = 38,050.80 : x
  2. Step 2: Convert to fraction form
    64,359.60/96,539.40 = 38,050.80/x
  3. Step 3: Cross multiply
    64,359.60x = 96,539.40 × 38,050.80
  4. Step 4: Simplify right side
    64,359.60x = 3,673,401,401.52
  5. Step 5: Solve for x
    x = 3,673,401,401.52/64,359.60
  6. Step 6: Final answer
    x = 57,076.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.